EP1956247A4 - Cascade of stator vane of turbo fluid machine - Google Patents

Cascade of stator vane of turbo fluid machine

Info

Publication number
EP1956247A4
EP1956247A4 EP06833219.6A EP06833219A EP1956247A4 EP 1956247 A4 EP1956247 A4 EP 1956247A4 EP 06833219 A EP06833219 A EP 06833219A EP 1956247 A4 EP1956247 A4 EP 1956247A4
Authority
EP
European Patent Office
Prior art keywords
cascade
fluid machine
stator vane
turbo fluid
turbo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06833219.6A
Other languages
German (de)
French (fr)
Other versions
EP1956247A1 (en
Inventor
Naoki Tsuchiya
Takeomi Ideta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHI Corp
Original Assignee
IHI Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IHI Corp filed Critical IHI Corp
Publication of EP1956247A1 publication Critical patent/EP1956247A1/en
Publication of EP1956247A4 publication Critical patent/EP1956247A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • F04D29/544—Blade shapes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • F05D2260/961—Preventing, counteracting or reducing vibration or noise by mistuning rotor blades or stator vanes with irregular interblade spacing, airfoil shape
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
EP06833219.6A 2005-11-29 2006-11-24 Cascade of stator vane of turbo fluid machine Withdrawn EP1956247A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005343701 2005-11-29
PCT/JP2006/323415 WO2007063768A1 (en) 2005-11-29 2006-11-24 Cascade of stator vane of turbo fluid machine

Publications (2)

Publication Number Publication Date
EP1956247A1 EP1956247A1 (en) 2008-08-13
EP1956247A4 true EP1956247A4 (en) 2014-05-14

Family

ID=38092103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06833219.6A Withdrawn EP1956247A4 (en) 2005-11-29 2006-11-24 Cascade of stator vane of turbo fluid machine

Country Status (4)

Country Link
US (1) US7891943B2 (en)
EP (1) EP1956247A4 (en)
JP (1) JP4678406B2 (en)
WO (1) WO2007063768A1 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101846100B (en) * 2009-03-24 2012-05-30 西北工业大学 Blade grid for improving pneumatic stability of gas compressor
US8534991B2 (en) * 2009-11-20 2013-09-17 United Technologies Corporation Compressor with asymmetric stator and acoustic cutoff
GB201011854D0 (en) * 2010-07-14 2010-09-01 Isis Innovation Vane assembly for an axial flow turbine
DE102010027588A1 (en) * 2010-07-19 2012-01-19 Rolls-Royce Deutschland Ltd & Co Kg Fan-Nachleitradschaufel a turbofan engine
US10287987B2 (en) * 2010-07-19 2019-05-14 United Technologies Corporation Noise reducing vane
US20130205795A1 (en) * 2012-02-09 2013-08-15 General Electric Company Turbomachine flow improvement system
EP2653658A1 (en) * 2012-04-16 2013-10-23 Siemens Aktiengesellschaft Guide blade assembly for an axial flow machine and method for laying the guide blade assembly
EP2685050B1 (en) * 2012-07-11 2017-02-01 General Electric Technology GmbH Stationary vane assembly for an axial flow turbine
EP2971658B1 (en) 2013-03-13 2022-11-30 Raytheon Technologies Corporation Low noise compressor for geared turbofan gas turbine engine
US11719161B2 (en) 2013-03-14 2023-08-08 Raytheon Technologies Corporation Low noise turbine for geared gas turbine engine
US9581034B2 (en) * 2013-03-14 2017-02-28 Elliott Company Turbomachinery stationary vane arrangement for disk and blade excitation reduction and phase cancellation
US10605172B2 (en) 2013-03-14 2020-03-31 United Technologies Corporation Low noise turbine for geared gas turbine engine
FR3005120A1 (en) * 2013-04-24 2014-10-31 Aircelle Sa FLOW RECOVERY STRUCTURE FOR NACELLE
DE102013224081B4 (en) * 2013-11-26 2015-11-05 Man Diesel & Turbo Se compressor
EP2881548B1 (en) * 2013-12-09 2018-08-15 MTU Aero Engines GmbH Gas turbine compressor
US10145301B2 (en) 2014-09-23 2018-12-04 Pratt & Whitney Canada Corp. Gas turbine engine inlet
US10378554B2 (en) 2014-09-23 2019-08-13 Pratt & Whitney Canada Corp. Gas turbine engine with partial inlet vane
JP6428128B2 (en) * 2014-10-08 2018-11-28 株式会社Ihi Stator blade structure and turbofan engine
US20160146040A1 (en) * 2014-11-25 2016-05-26 United Technologies Corporation Alternating Vane Asymmetry
US10371168B2 (en) 2015-04-07 2019-08-06 United Technologies Corporation Modal noise reduction for gas turbine engine
US9957807B2 (en) 2015-04-23 2018-05-01 Pratt & Whitney Canada Corp. Rotor assembly with scoop
US9938848B2 (en) 2015-04-23 2018-04-10 Pratt & Whitney Canada Corp. Rotor assembly with wear member
US10724540B2 (en) 2016-12-06 2020-07-28 Pratt & Whitney Canada Corp. Stator for a gas turbine engine fan
US10690146B2 (en) 2017-01-05 2020-06-23 Pratt & Whitney Canada Corp. Turbofan nacelle assembly with flow disruptor
US20190063464A1 (en) * 2017-08-31 2019-02-28 Ford Global Technologies, Llc Engine cooling fans with uneven blade spacing
FR3099518B1 (en) * 2019-07-31 2021-08-06 Safran Aircraft Engines Rectifier assembly for a turbomachine compressor
CN113312705A (en) * 2021-06-14 2021-08-27 西北工业大学 Method for sequencing rotor blades of low-pressure fan of aircraft engine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068471A (en) * 1975-06-16 1978-01-17 General Electric Company Variable cycle engine with split fan section
US5342167A (en) * 1992-10-09 1994-08-30 Airflow Research And Manufacturing Corporation Low noise fan
EP1111191A2 (en) * 1999-12-18 2001-06-27 General Electric Company Periodic stator airfoils
US20040175260A1 (en) * 2001-05-11 2004-09-09 Marc Berthillier Structure comprising a rotor and fixed perturbation sources and method for reducing vibrations in said structure
GB2401654A (en) * 2003-05-14 2004-11-17 Rolls Royce Plc A stator vane assembly for a turbomachine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3006603A (en) * 1954-08-25 1961-10-31 Gen Electric Turbo-machine blade spacing with modulated pitch
US3169747A (en) * 1961-01-06 1965-02-16 Bristol Siddeley Engines Ltd Rotary bladed power conversion machines
JPS5525555A (en) 1978-08-12 1980-02-23 Hitachi Ltd Impeller
SE500471C2 (en) * 1991-07-09 1994-07-04 Flaekt Ab Guide device in an axial fan
JPH08200283A (en) * 1995-01-30 1996-08-06 Hitachi Ltd Cross-flow fan and air conditioner provided with it
JP2002349498A (en) 2001-05-24 2002-12-04 Ishikawajima Harima Heavy Ind Co Ltd Low noise fan stationary blade
JP2003227302A (en) 2002-02-04 2003-08-15 Ishikawajima Harima Heavy Ind Co Ltd Blade for promoting wake mixing
US6789998B2 (en) * 2002-09-06 2004-09-14 Honeywell International Inc. Aperiodic struts for enhanced blade responses
JP2004332562A (en) 2003-04-30 2004-11-25 Ishikawajima Harima Heavy Ind Co Ltd Stationary blade cascade of axial compressor
US6905303B2 (en) * 2003-06-30 2005-06-14 General Electric Company Methods and apparatus for assembling gas turbine engines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068471A (en) * 1975-06-16 1978-01-17 General Electric Company Variable cycle engine with split fan section
US5342167A (en) * 1992-10-09 1994-08-30 Airflow Research And Manufacturing Corporation Low noise fan
EP1111191A2 (en) * 1999-12-18 2001-06-27 General Electric Company Periodic stator airfoils
US20040175260A1 (en) * 2001-05-11 2004-09-09 Marc Berthillier Structure comprising a rotor and fixed perturbation sources and method for reducing vibrations in said structure
GB2401654A (en) * 2003-05-14 2004-11-17 Rolls Royce Plc A stator vane assembly for a turbomachine

Also Published As

Publication number Publication date
WO2007063768A1 (en) 2007-06-07
JPWO2007063768A1 (en) 2009-05-07
US20090169371A1 (en) 2009-07-02
JP4678406B2 (en) 2011-04-27
US7891943B2 (en) 2011-02-22
EP1956247A1 (en) 2008-08-13

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20070516

AK Designated contracting states

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Designated state(s): DE FR GB

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20140411

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 29/54 20060101AFI20140407BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20141111